Home / 109,326,381.78-150,872,199.29-65,277,229.89

Finding the Fourth Proportional to 109,326,381.78, 150,872,199.29 and 65,277,229.89

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Solution

The fourth proportional to 109,326,381.78, 150,872,199.29 and 65,277,229.89 is: 90,083,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,326,381.78 : 150,872,199.29 = 65,277,229.89 : x
  2. Step 2: Convert to fraction form
    109,326,381.78/150,872,199.29 = 65,277,229.89/x
  3. Step 3: Cross multiply
    109,326,381.78x = 150,872,199.29 × 65,277,229.89
  4. Step 4: Simplify right side
    109,326,381.78x = 9,848,519,237,277,212
  5. Step 5: Solve for x
    x = 9,848,519,237,277,212/109,326,381.78
  6. Step 6: Final answer
    x = 90,083,647.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.